PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N657Transistor

Raytheon Company Dba Raytheon · NSN 5961-00-821-2028 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-821-2028 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-821-2028. Primary manufacturer part number: 2N657.
Features
  • Transistor — FSC 5961
  • Semiconductor Material: SILICON
  • Internal Junction Configuration: NPN
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Internal Configuration: JUNCTION CONTACT
  • 3 verified cross-references
  • Primary manufacturer: Raytheon Company Dba Raytheon
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-821-2028, is classified within Federal Supply Class 5961 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Raytheon Company Dba Raytheon. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-821-2028
Primary Part Number2N657
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon
StatusACTIVE
Semiconductor MaterialSILICON
Internal Junction ConfigurationNPN
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Internal ConfigurationJUNCTION CONTACT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5961-00-132-486810664800 INTERCHANGEABLE
Transistor
Us Army Aviation and Missile Command
5961-00-463-3013200-754 INTERCHANGEABLE
Transistor
Cmc Electronics Inc
5961-00-542-7308 INTERCHANGEABLE
Transistor
5961-00-686-8578 INTERCHANGEABLE
Transistor
5961-00-752-6081 INTERCHANGEABLE
Transistor
5961-00-784-064710587424-1 INTERCHANGEABLE
Transistor
Us Army Aviation and Missile Command
5961-00-908-30832N657 INTERCHANGEABLE
Transistor
Texas Instruments Incorporated
5961-00-942-66381261915-9 INTERCHANGEABLE
Transistor
Honeywell Intl Inc Defense Avionics Systems
5961-01-036-5402KNA1901 ITEM 28 INTERCHANGEABLE
Transistor
Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution
3040-01-226-6103790-1551-001 INTERCHANGEABLE
Shaft,straight
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
Cross-Reference Index
Part NumberManufacturer
7901551-001 L3harris Mas Inc Div L3harris Mas Inc. (CAN)
7901551-001 General Motors Corp (USA)
2N657 PRIMARY Raytheon Company Dba Raytheon (USA)
Related Parts
5961-00-132-4868INTERCHANGEABLE
TRANSISTOR
10664800
5961-00-463-3013INTERCHANGEABLE
TRANSISTOR
200-754
5961-00-542-7308INTERCHANGEABLE
TRANSISTOR
5961-00-686-8578INTERCHANGEABLE
TRANSISTOR
5961-00-752-6081INTERCHANGEABLE
TRANSISTOR
5961-00-784-0647INTERCHANGEABLE
TRANSISTOR
10587424-1
5961-00-908-3083INTERCHANGEABLE
TRANSISTOR
2N657
5961-00-942-6638INTERCHANGEABLE
TRANSISTOR
1261915-9
5961-01-036-5402INTERCHANGEABLE
TRANSISTOR
KNA1901 ITEM 28
3040-01-226-6103INTERCHANGEABLE
SHAFT,STRAIGHT
790-1551-001

Frequently Asked Questions

What is NSN 5961-00-821-2028?

NSN 5961-00-821-2028 is a Transistor, manufactured by Raytheon Company Dba Raytheon, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-821-2028?

NSN 5961-00-821-2028 has 3 cross-referenced part numbers: 7901551-001 (L3harris Mas Inc Div L3harris Mas Inc.), 7901551-001 (General Motors Corp), 2N657 (Raytheon Company Dba Raytheon).

What NSN replaces 5961-00-821-2028?

There are 10 known substitutes for 5961-00-821-2028: 5961-00-132-4868, 5961-00-463-3013, 5961-00-542-7308 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N657?

Key specifications for 2N657: Semiconductor Material: SILICON; Internal Junction Configuration: NPN; Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Internal Configuration: JUNCTION CONTACT. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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